#!/bin/bash

# parse config file
function parse_yaml {
   local prefix=$2
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\):|\1|" \
        -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
   awk -F$fs '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
      }
   }'
}

if [ -f "running" ]; then
    rm running
    echo "Stop signal sent to serving."
    parse_yaml config.yaml
    eval $(parse_yaml config.yaml)
    if [ "${params_performance_mode}" == "ON" ]; then
      if [ "${spark_master}" == "local[*]" ] || [ -z "${spark_master}" ]; then
        echo "Stop standalone cluster..."
        cluster-with-numactl.sh stop || ./cluster-with-numactl.sh stop
      fi
    fi
else
    echo "Serving is not running, stop operation ignored."
fi


